/* ==========================================================================
   Board & Admin Stylesheet (with Skeleton UI & Pagination)
   ========================================================================== */

.board-main-container {
  padding-top: 130px;
  padding-bottom: 100px;
  min-height: calc(100vh - 200px);
}

.board-hero {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px auto;
}

.board-page-title {
  font-family: var(--font-accent);
  font-size: 2.6rem;
  font-weight: 800;
  margin-top: 12px;
  margin-bottom: 16px;
  line-height: 1.25;
}

.board-page-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ==========================================================================
   Admin Mode Banner & Tag
   ========================================================================== */
.admin-brand-tag {
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--primary);
  color: #ffffff;
  vertical-align: middle;
  margin-left: 6px;
}

.admin-banner {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.15), rgba(56, 189, 248, 0.15));
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 14px;
  padding: 16px 24px;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-banner-content {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
}

.admin-banner-actions {
  display: flex;
  gap: 10px;
}

.badge-admin {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
  background: #6366f1;
  color: #ffffff;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Board Toolbar (Filter, Search, Write Button)
   ========================================================================== */
.board-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  gap: 8px;
  background: var(--bg-card);
  padding: 6px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.filter-btn {
  background: none;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-family: var(--font-main);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  width: 260px;
}

.search-box input {
  width: 100%;
  padding: 11px 16px 11px 38px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  font-family: var(--font-main);
  font-size: 0.88rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

/* ==========================================================================
   Board Table & Badges
   ========================================================================== */
.board-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  margin-bottom: 24px;
}

.board-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.board-table th {
  background: rgba(0, 0, 0, 0.12);
  padding: 16px 20px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.84rem;
  border-bottom: 1px solid var(--border-color);
}

.board-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  vertical-align: middle;
}

.board-table tbody tr {
  transition: background-color 0.2s ease;
  cursor: pointer;
}

.board-table tbody tr:hover {
  background: var(--bg-card-hover);
}

.board-table tbody tr:last-child td {
  border-bottom: none;
}

.col-num { width: 70px; text-align: center; }
.col-category { width: 130px; }
.col-status { width: 110px; }
.col-author { width: 120px; }
.col-date { width: 120px; text-align: center; color: var(--text-muted); font-size: 0.85rem; }
.col-views { width: 70px; text-align: center; color: var(--text-muted); font-size: 0.85rem; }

.table-num {
  text-align: center;
  color: var(--text-muted);
  font-family: monospace;
}

.post-row-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: var(--text-primary);
}

.reply-count-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 6px;
  border-radius: 9999px;
}

/* Badges */
.badge-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.badge-status {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
  letter-spacing: -0.01em;
}

.badge-status.waiting {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-status.completed {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-secret {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  color: #f43f5e;
  gap: 4px;
}

/* ==========================================================================
   Skeleton Loading UI
   ========================================================================== */
.skeleton-pulse {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.04) 25%, rgba(255, 255, 255, 0.12) 50%, rgba(255, 255, 255, 0.04) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 6px;
  display: inline-block;
}

[data-theme="light"] .skeleton-pulse {
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.04) 25%, rgba(0, 0, 0, 0.09) 50%, rgba(0, 0, 0, 0.04) 75%);
  background-size: 200% 100%;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 14px;
  width: 100%;
}

.skeleton-pill {
  height: 22px;
  width: 64px;
  border-radius: 9999px;
}

/* ==========================================================================
   Pagination UI
   ========================================================================== */
.pagination-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  margin-bottom: 36px;
}

.page-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  border-radius: 8px;
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.page-btn:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  color: var(--primary);
}

.page-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.pagination-info {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-left: 12px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 24px;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.empty-state h3 {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

/* Notice Box */
.board-notice-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 24px;
}

.board-notice-box h4 {
  font-size: 0.95rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.board-notice-box ul {
  padding-left: 20px;
  list-style: disc;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.88rem;
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.modal-overlay.open {
  display: flex;
  opacity: 1;
}

.modal-dialog {
  background: var(--bg-card-hover);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px);
  transition: transform 0.25s ease;
}

.modal-overlay.open .modal-dialog {
  transform: translateY(0);
}

.modal-dialog.modal-lg {
  max-width: 820px;
}

.modal-dialog.modal-sm {
  max-width: 440px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 18px 24px;
  border-top: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.05);
}

/* Detail Modal */
.detail-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.detail-post-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.35;
}

.detail-meta {
  display: flex;
  gap: 24px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.meta-label {
  color: var(--text-muted);
  margin-right: 4px;
}

.detail-content-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  min-height: 120px;
  line-height: 1.8;
  font-size: 1rem;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
}

.post-action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.user-delete-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-sm {
  width: 140px;
  padding: 8px 12px;
  font-size: 0.85rem;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.85rem;
}

.btn-danger {
  background: #ef4444;
  color: #ffffff;
}

.btn-danger:hover {
  background: #dc2626;
}

.detail-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 24px 0;
}

/* Replies Section */
.comments-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.comments-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.comments-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.reply-badge-desc {
  font-size: 0.8rem;
  color: var(--accent);
}

.replies-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.reply-card {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 14px;
  padding: 20px;
}

.reply-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.reply-author-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.reply-author {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.reply-date {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.reply-body {
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.7;
  white-space: pre-wrap;
}

.reply-delete-btn {
  background: none;
  border: none;
  color: #ef4444;
  font-size: 0.8rem;
  cursor: pointer;
  padding: 4px;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.reply-delete-btn:hover {
  opacity: 1;
  text-decoration: underline;
}

.admin-reply-box {
  background: var(--bg-card);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 14px;
  padding: 20px;
  margin-top: 10px;
}

.admin-reply-header {
  margin-bottom: 14px;
}

.admin-reply-header p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.admin-reply-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 12px;
}

.guest-reply-notice {
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border-color);
  border-radius: 12px;
  padding: 16px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.link-admin {
  color: var(--accent);
  font-weight: 600;
}

.link-admin:hover {
  text-decoration: underline;
}

.secret-notice-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

/* ==========================================================================
   Admin Page (admin.html) Specific Styles
   ========================================================================== */
.admin-main {
  padding-top: 130px;
  padding-bottom: 100px;
  min-height: calc(100vh - 200px);
}

.admin-login-section {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
}

.login-card {
  width: 100%;
  max-width: 460px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--glass-shadow);
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 8px;
}

.login-header h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
}

.test-account-tip {
  background: rgba(99, 102, 241, 0.08);
  border: 1px dashed rgba(99, 102, 241, 0.3);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.btn-fill-account {
  background: var(--primary-light);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
}

.error-banner {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid #ef4444;
  color: #ef4444;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 18px;
  text-align: center;
}

/* Dashboard View */
.dashboard-header-bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 16px;
}

.dashboard-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 6px;
}

.dashboard-actions {
  display: flex;
  gap: 10px;
}

.stats-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.admin-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.admin-stat-card.warning {
  border-color: rgba(245, 158, 11, 0.4);
}

.admin-stat-card.success {
  border-color: rgba(16, 185, 129, 0.4);
}

.stat-card-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.stat-card-value {
  font-family: var(--font-accent);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.admin-stat-card.warning .stat-card-value {
  color: #f59e0b;
}

.admin-stat-card.success .stat-card-value {
  color: #10b981;
}

.stat-card-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.admin-table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--glass-shadow);
}

.table-control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.table-filter-tabs {
  display: flex;
  gap: 8px;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.search-mini input {
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.88rem;
  outline: none;
}

.search-mini input:focus {
  border-color: var(--primary);
}

@media (max-width: 768px) {
  .board-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    width: 100%;
  }

  .stats-overview-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-header-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .col-date, .col-views, .col-category {
    display: none;
  }
}